A Republican running for City Council in heavily conservative and Orthodox Jewish Brooklyn neighborhoods has sent out mailers tying Democratic incumbent Simcha Felder to socialist mayoral front-runner Zohran Mamdani. “That’s the Democratic Party. Felder Mamdani Team. They will work together. That’s what Democrats do,” Republican Harold “Heshy” Tischler’s campaign says in the mailer sent to voters in the 44th District that includes Borough Park, Flatbush and Midwood in southern Brooklyn. “And